gsd-2011-4621
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.
Aliases
Aliases
CVE-2011-4621


To clipboard 

{
  "GSD": {
    "alias": "CVE-2011-4621",
    "description": "The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.",
    "id": "GSD-2011-4621",
    "references": [
      "https://www.suse.com/security/cve/CVE-2011-4621.html",
      "https://access.redhat.com/errata/RHSA-2011:1849"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2011-4621"
      ],
      "details": "The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.",
      "id": "GSD-2011-4621",
      "modified": "2023-12-13T01:19:05.296461Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2011-4621",
        "STATE": "PUBLIC"
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      "affects": {
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                  {
                    "product_name": "n/a",
                    "version": {
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                          "version_affected": "=",
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      "references": {
        "reference_data": [
          {
            "name": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37",
            "refsource": "MISC",
            "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37"
          },
          {
            "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f26f9aff6aaf67e9a430d16c266f91b13a5bff64",
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          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2011/12/21/6",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2011/12/21/6"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64",
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            "url": "https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64"
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            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=769711",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769711"
          }
        ]
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    },
    "nvd.nist.gov": {
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        "nodes": [
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.6.37",
                "vulnerable": true
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64",
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              "tags": [
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              "url": "https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64"
            },
            {
              "name": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37",
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              "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37"
            },
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              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769711"
            },
            {
              "name": "[oss-security] 20111221 Re: CVE Request -- kernel: tight loop and no preemption can cause system stall",
              "refsource": "MLIST",
              "tags": [
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                "Third Party Advisory"
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              "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f26f9aff6aaf67e9a430d16c266f91b13a5bff64"
            }
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      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-13T03:23Z",
      "publishedDate": "2012-05-17T11:00Z"
    }
  }
}


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